AxisWidget.h

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/* -*- mode: c++ -*- */

#ifndef _AxisWidget_H_
#define _AxisWidget_H_

#include <qwidget.h>

#if QT_VERSION < 0x040000
#else
//Added by the Qt porting tool:
#include <QLabel>
#endif

#include <string>

class QLabel;
class QLineEdit;
class QCheckBox;
class QScrollBar;
class Range;

class AxisWidget : public QWidget
{

  Q_OBJECT
  
private:
  
  QLabel * lowTextLabel;
  
  QLabel * highTextLabel;

  QScrollBar * lowSlider;

  QScrollBar * highSlider;

  QLineEdit * lowTextBox;

  QLineEdit * highTextBox;

  QCheckBox * zoomPanCheckBox;
  
  bool m_isCut;

  double getWidthFromSlider ( const Range & fullRange );
  
  double getPositionFromSlider ( const Range & fullRange );

  double getLowFromSlider ( const Range & fullRange );
  
  double getHighFromSlider ( const Range & fullRange );
  
  void setSlider ( QScrollBar * s, double value, const Range & fullRange );
  
  void setSliderZero ( QScrollBar * s, double value, const Range & fullRange );
  
public:
  
  AxisWidget ( QWidget * parent = 0, 
               const char * name = 0,
               Qt::WFlags wflags = 0 );
  
  virtual ~AxisWidget ();
  
  void processTextBoxReturnPressed ( Range & currentRange,
                                     const Range & fullRange );

  void processLowSliderReleased ( const Range & fullRange );

  void processLowSliderMoved ( int value,
                               Range & currentRange,
                               const Range & fullRange );

  void processHighSliderReleased ( const Range & fullRange );

  void processHighSliderMoved ( int value,
                                Range & currentRange,
                                const Range & fullRange );

  void processZoomPanCheckBoxClicked ( const Range & currentRange,
                                       const Range & fullRange );

  void setCut ( bool flag );

  void setLowText ( const  QString & s, bool readonly = false );

  void setHighText ( const QString & s, bool readonly = false );

  QScrollBar * getLowSlider ();

  int getLowSliderValue ();
  
  void setLowSliderValue ( int value );

  QScrollBar * getHighSlider ();

  int getHighSliderValue ();
  
  void setHighSliderValue ( int value );

  void invalidRangeError ( const std::string & bad );

  void setAllDisabled ( bool flag );

  void updateCutControlValues ( const Range & currentRange,
                                const Range & fullRange );

  bool isZoomPanChecked ();

  void setZoomPan ( bool check, bool disables = false );

signals:

  void lowTextReturnPressed ();

  void highTextReturnPressed ();

  void lowSliderReleased ();

  void lowSliderPressed ();

  void lowSliderValueChanged ( int value );

  void highSliderReleased ();

  void highSliderPressed ();

  void highSliderValueChanged ( int value );

  void zoomPanCheckBoxClicked ();
  
};

#endif // _AxisWidget_H_

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